Geetha Iyer Solutions for Exercise 5: WORKSHEET

Author:Geetha Iyer

Geetha Iyer Science Solutions for Exercise - Geetha Iyer Solutions for Exercise 5: WORKSHEET

Attempt the practice questions from Exercise 5: WORKSHEET with hints and solutions to strengthen your understanding. Science Now 8 solutions are prepared by Experienced Embibe Experts.

Questions from Geetha Iyer Solutions for Exercise 5: WORKSHEET with Hints & Solutions

HARD
8th CBSE
IMPORTANT
Science Now 8>Chapter 12 - Sound>WORKSHEET>Solve the following crossword puzzle with the help of the clues given below

Solve the following crossword puzzle with the help of clues given below.

Question Image

Across

1. Speed greater than that of sound
2. Sound produced due to irregular variations in the amplitude is termed as _____.
7. Sounds of frequency above 20,000 Hz are called _____ sounds.
8. Shrillness of sounds is characterised by its _____.
9. Loudness of sounds is proportional to square of its _____.

Down

2. Phenomenon caused by reflection of sound
3. Pitch of a sound depends on its _____.
4. Unit of frequency
5. Sound is produced by. _____ of particles present in objects.